Donald Trump lashes back at a Muslim family that has challenged his knowledge of constitutional freedoms. We'll speak with Robert McCaw of the Council of American Islamic Relations about Khizr Khan's speech at the DNC. And, a federal appeals court has overturned North Carolina's controversial voting law that was disproportionately aimed at African Americans. My guest Allison Riggs of the Southern Coalition for Social Justice will explain what the victory for voting rights means. And finally, Portuguese political activist Catarina Principe joins us to discuss the new book she has co-edited, Europe in Revolt.